Illustration of circle
 - AB diameter; C center; CD
 - CA
 - CB radii; EKF arc on chord EF; EFKL (area) segment on chord EF; ACD (area) sector; GH secant; TPM tangent at point P; EKFBPDA circumference
 
| 单词 | circling | 
| 释义 | circle1 of 2noun  cir·cle  ˈsər-kəl   often attributive   1   a     : ring, halo    b     : a closed plane (see plane entry 6 sense 2b) curve every point of which is equidistant (see equidistant sense 1) from a fixed point within the curve    c     : the plane surface bounded by such a curve   2   archaic   : the orbit of a celestial body   3    : something in the form of a circle or section of a circle: such as    a     : diadem    b     : an instrument of astronomical observation the graduated (see graduated sense 2a) limb of which consists of an entire circle    c     : a balcony or tier of seats in a theater    d     : a circle formed on the surface of a sphere by the intersection of a plane that passes through it  circle of latitude    e     : rotary sense 2  Traffic slowed down around the circle.   4    : an area of action or influence : realm  within the circle of probability   5   a     : cycle, round  the wheel has come full circle    b     : fallacious reasoning in which something to be demonstrated is covertly assumed   6    : a group of persons sharing a common interest or revolving about a common center  the sewing circle of her church  family circle  the gossip of court circles  political, social, and literary circles   7    : a territorial or administrative division or district  The province is divided into nine circles.   8    : a curving side street  lived on Kimberly Circle   9    : a circular course or path  The children ran in circles around the tree.  The conversation kept going in circles, and nothing got accomplished.   circle 2 of 2verb  circled; circling ˈsər-k(ə-)liŋ   transitive verb 1    : to enclose in or as if in a circle  The teacher circled the misspelled words.   2    : to move or revolve around  satellites circling the earth   intransitive verb 1   a     : to move in or as if in a circle  The airplane circled around over the airport.    b     : circulate  thy name shall circle round the gaping throng    c     : to circle around before making an attack  sharks circling in the water   2    : to describe or extend in a circle  the lighthouse sent out its slow steady circling beam    circler    ˈsər-k(ə-)lər   noun circling 1 of 2 adjectiveas in swirling   Synonyms & Similar Words Relevance     
 Antonyms & Near Antonyms 
 circling 2 of 2verb1  as in surrounding   to form a circle around everyone circled the lectern and waited their turn to read from the Bible   Synonyms & Similar Words 
 2  as in orbiting   to travel completely around with a look of extreme frustration, the commander circled the new recruit   Synonyms & Similar Words 
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